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Welcome To Qianglang Hardware Factory !

Qianglang Hardware Factory

Main Business: Door closer, floor spring, door control hardware

Door closer series

QL-094-2

Hydraulic door closer

QL-100

Hidden square door closer

QL-099-2

Hidden round door closer

QL-102

Large buffer hydraulic automatic door closer

QL-103-L

Large buffer hydraulic automatic door shutter

QL-095

Buffer hydraulic automatic square door shutter

QL-091-1

Buffer hydraulic automatic door closer

QL-092

Buffer hydraulic automatic door closer

QL-093

Buffer hydraulic automatic door closer

QL-097

Buffer hydraulic automatic door shutter

QL-099

Buffer hydraulic automatic lengthened type middle machine door shutter

QL-096

Buffered hydraulic automatic invisible door closer

QL-106

Linkage door closer (left and right)

QL-107

Linkage door closer (left and right)

QL-094

Triangle machine buffer hydraulic automatic door shutter

QL-103

Small buffer hydraulic automatic door shutter

Total 17 Piece 2Page